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54010F
9
Figure 13 - Chimney Supports
Straps
VENTING INSTALLATION
Continued
Figure 14 - Firestop Spacer with Living
Space Above Ceiling
Figure 15 - Firestop Spacer with Attic
Space Above Ceiling
Existing
Ceiling
Frame
Firestop
Spacer
Screws or
Staples
(Min. of 8)
Firestop
Spacer
Screws or Staples
(Min. of 8)
Existing
Ceiling Frame
Angle
Firestop
Ceiling
Support Pipe
12S-8DM
Return
Elbow
FIRESTOP SPACERS (FS-8DM)
Firestop spacers are required at each point
where the chimney penetrates a floor or ceiling
joist space. Their purpose is to establish and
maintain the required clearance between the
chimney and the combustible materials.
When the pipe passes through a framed open-
ing into a living space above, the firestop must
be placed onto the ceiling from below as shown
in Figure 14. When the pipe passes through a
framed opening into an attic space above, the
firestop must be placed on the attic floor as
shown in Figure 15.
SUPPORT SECTIONS (12S-8DM)
The chimney support section is a 4-strap 12"
length of pipe. A chimney support is required
at the 30' level above fireplace after a straight
chimney run (see Figure 16). This support is de-
signed to relieve extra weight load on fireplace
and elbows when high chimneys are installed.
Straps
DETAIL B
DETAIL A
See
DETAIL B
See
DETAIL A
30 FT.
30 FT.
Figure 16 - Support Sections
12S-8DM
Support
Return
Elbow
